Abstract
Lenses are formed in bleached photographic emulsion, and the local diffraction efficiency into the various diffraction orders is determined using a probe beam of small diameter. An analysis of the lens is performed by assuming that both the direction and magnitude of the grating vector are constant over a small area of the hologram, leading to ordinary (in contrast to more rigorous partial) differential equations which may be solved numerically. Comparison of experimental results with numerical analysis shows reasonable agreement.
© 1982 Optical Society of America
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